Quality Park Redi-Seal HCFA-1500 Claim Envelopes - 500 / BX - Single Window - #10 1/2 - 4 1/2 Width x 9 1/2 Length - 24 lb - Self-sealing - Wove - 500 / Box - White

No. 10-1/2 envelopes with Redi-Seal feature are designed for use with Insurance Form CMS-1500 and similar forms. Redi-Seal closure requires no moisture to seal. Simply raise the lower flap and press to seal. The 1" x 4-1/2" window is positioned 4-1/4" from the left and 19/16" from the bottom of the envelope. Inside security tint offers more privacy. 24 lb.

• Designed for Healthcare Claim Form CMS-1500 and similar insurance forms
• Window measures 4-1/2" x 1" and positioned 4-1/4" from the left edge and 1-9/16" from the bottom to accommodate addressed mailing
• Protects sensitive client information with a reflex blue pattern that obscures details of the contents even when held up to light
• Uniquely designed, self-sealing, Redi-Seal closure uses double flaps that press together for an instant seal without requiring moisture